Fontana Gateway Rainfall Forecast

Today 29 Dec
5%
Tue 30 Dec
15%
Wed 31 Dec
90%
Thu 1 Jan
95%
Fri 2 Jan
55%
Sat 3 Jan
55%
Sun 4 Jan
35%

Fontana Gateway Rainfall Statistics

December Rainfall

Ontario International Airport (3.1 miles)

Total Rainfall 2025
12.4in
Daily Average 2025
0.03in
Wettest Day 13 February, 2025
1.9in
Wet Days 2025
37/363 (10%)
Total Rainfall November
3.5in
Daily Average November
0.1in
Wettest Day 14 November, 2025
0.9in
Wet Days November
6/30 (20%)
Total Rainfall December
1.6in
Daily Average December
0.1in
Wettest Day 24 December, 2025
1.2in
Wet Days December
4/29 (14%)

Climate (2010–Present)

Ontario International Airport (3.1 miles)

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Annual Average 2020–2024
12.9in
Monthly Average 2020–2025
1.1in
Daily Average 2020–2025
0.04in
Wettest Day 5 February, 2024
3.6in

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